Reference

Perttu Seppä, Heikki Helanterä, Kalevi Trontti, Pekka Punttila, Anton Chernenko, Stephan J. Martin, Liselotte Sundström (2011): The many ways to delimit species: hairs, genes and surface chemistry. – Myrmecological News = Myrmecologische Nachrichten – 015: 31 - 41.